Specification AgeRangeDescription : adult Brand : ALUYEH BulletPoint1 : 【Precision Square Holes in One Step】 High-speed alloy drill bits create clean square holes instantly, eliminating manual chiseling for perfect joints in cabinets, doors, and furniture BulletPoint2 : 【Multi-Size & Depth Options】 4-piece set covers 1/4 Inch (6.4mm), 5/16 Inch (8mm), 3/8 Inch (9.5mm), 1/2 Inch (12.7mm),9/16"(14mm), 5/8"(16mm)sizes with 45/60/75mm depth control, ideal for hinges, tenons, and custom wood projects BulletPoint3 : 【Ultra-Durable Carbide Alloy】 Heat-treated steel with black oxide coating resists wear and corrosion, ensuring 3X longer lifespan than standard bits BulletPoint4 : 【Wide Compatibility】 Fits most drill presses, cordless drills (1/4" hex shank), and mortising machines, perfect for both professionals and DIYers BulletPoint5 : 【Safe & Easy to Use】 Built-in depth stop and ergonomic design prevent over-drilling, while chip vents reduce clogging for smooth operation Color : Black CuttingAngleString : 9E+1 degrees ExternallyAssignedProductIdentifier : 5489228826725 FinishType : Black And Silver IncludedComponents : 6 Mortise Drill Bits ItemDisplayDimensions_Height : 1.77 inches ItemDisplayDimensions_Length : 7.68 inches ItemDisplayDimensions_Width : 5.71 inches ItemDisplayWeight : 1.52 pounds ItemName : ALUYEH Wood Square Hole Drill Bit Set, 6PCS Carbide Alloy Mortise Drill Bits for Woodworking, 6.4-16mm Square Chisel with 45/60/75mm Depth, Compatible with Drill Press & Cordless Drills ItemPackageDimensions_Height : 7 inches ItemPackageDimensions_Length : 16 inches ItemPackageDimensions_Width : 7 inches ItemPackageQuantity : 1 ItemTypeKeyword : wood-drill-bit-sets Manufacturer : ALUYEH tool Material : Carbide ModelName : WENBIXIA ModelNumber : ALU-Wsdb-6pc-set NumberOfBoxes : 1 NumberOfFlutes : 2 NumberOfItems : 6 NumberOfPieces : 6 PartNumber : ALU-Wsdb-6pc-set ProductDescription : Specification: Material: High-carbon steel Clamping shank diameter: 19mm (Round) Hardness: Up to HRC48~50 Size: 1/4 Inch (6.4mm), 5/16 Inch (8mm), 3/8 Inch (9.5mm), 1/2 Inch (12.7mm), Shape of hole: square, rectangle Suitable for electric drill, hammer & other tools Package included:4Pcs woodworking chisel drill bits details: The square drill bits feature an arc-shaped design at the cutting edge, ensuring that the force remains on a single plane, effectively preventing any bursting during work The core drill bit is crafted from threaded steel with a remarkable hardness rating of up to 56HRC The carbide-tipped drill bits are exceptionally sharp and wear-resistant, providing high hardness and a long service life. The set includes drill bits with diameters ranging from 1/4 inch to 5/8inch (6.4mm to 16mm), offering versatility to accommodate various woodworking needs and projects. Note: * suitable for various types of wood, including MDF, particle board, channel wood, pine wood, basswood, and more. However, please note that they are not suitable for processing metal, glass, plastic, concrete, or gypsum board. * Square hole drill can not be used on an electric drill, drill square holes need to fit a square hole drill drilling (mortise and tenon machine) to use. * To avoid drill bits become overheated and get burned up due to fast rotary friction, we suggest use cutting fluid to keep the bits cold during usage. Transform your woodworking projects with this professional 4-piece mortise drill bit set. Each bit features precision-engineered carbide alloy construction for superior durability and clean, accurate cuts. The set includes four different sizes ranging from 6.4mm (0.25 inch) to 16mm (0.63 inch), perfect for creating precise square holes and mortises. With drilling depths of 45mm, 60mm, and 75mm (1.77-2.95 inches), these versatile bits accommodate various project requirements. The innovative design ensures compatibility with both drill presses and cordless drills, while the robust construction helps prevent splintering and delivers clean, professional results. These bits excel at creating mortise joints, door hardware installations, and other specialized woodworking applications where precise square holes are needed. The set comes with four carefully calibrated sizes to handle most common woodworking tasks, making it an essential addition to any serious woodworker's toolkit. Material: These square hole drill bits made of High-carbon steel; through heat processing, with high hardness drill bits, and sharp-edged square chisel, long life Size: Come with 3 different sizes for your choose; 9/16"(14mm), 5/8"(16mm), 3/4"(19mm). These long square drill bits set can meet most of your needs High Working Efficiency: Woodworking drill bit sets with long drill core and square chisel; easy to lock the hole on the wood, then you can get different mortisers quickly. Also, it is labor saving Available Application: These woodworking morstising chisel bits set are suitable for drilling square holes in wood with a mortising machine or a mortising attachment; Also, it fit for electric drill, hammer & other tools Increased Efficiency: Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries The U-shaped long chip flute design not only facilitates efficient sawdust removal but also improves overall drilling efficiency. Crafted from high-speed steel and subjected to heat treatment, these drill bits boast exceptional hardness, making them highly durable and resistant to breakage during use. Woodworking inlay chisels help reduce the physical strain on construction workers by simplifying tasks. ProductSiteLaunchDate : 2025-05-15T05:17:55.076Z Size : 19.50X14.50X4.50CM Style : Modern SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Wood UnitCount : 6 UnspscCode : 27110000